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LTM load balances servers as well as does caching , compression, persistence, many more. GTM load-balances data centers. In a normal deployment, a customer will have two data centers, each with GTM and LTM devices. For GTM to work efficiently, customers delegate DNS resolution to GTM. So, a user might just type into their browser [...]

To review logs using tmsh Log in to the BIG-IP command line. Change to the /var/log directory by typing the following command: cd /var/log or cd (go to respective directory of daemon) Use a Linux utility such as cat, or less, to review the desired log file. For example, to view the ltm log file, [...]

The tcpdump utility is a command line packet sniffer with many features and options. For a full description, refer to the tcpdump man pages by typing the following command: man tcpdump Running the tcpdump utility Following are examples of commands used to run the tcpdump utility: Selecting an Interface or VLAN The tcpdump utility’s interface [...]

Node- A node is a logical object on the load balancer that identifies the IP address of a physical resource on the network.You can explicitly create a node, or you can instruct Local Traffic Manager to automatically create one when you add a pool member to a load balancing pool. You can find out the [...]

The biggest difference between the GTM and LTM is traffic doesn’t actually flow through the GTM to your servers. The GTM is an intelligent name resolver, intelligently resolving names to IP addresses. Once the GTM provides you with an IP to route to you’re done with the GTM until you ask it to resolve another [...]